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<DIV CLASS="navbar"><A HREF="http://vt100.net/"><IMG CLASS="button" SRC="vt100.net-logo.png" ALT="VT100.net" HEIGHT="16" WIDTH="102"></A> VT220 Programmer Reference Manual<TABLE WIDTH="100%">
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<TD ALIGN="LEFT"><A HREF="chapter4.html">Chapter 4</A></TD>
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<TABLE ID="T4-9">
<CAPTION>Table 4-9 DECDLD Parameter Characters</CAPTION>
<THEAD>
<TR>
<TH ALIGN="LEFT">Parameter</TH>
<TH ALIGN="LEFT">Name</TH>
<TH ALIGN="LEFT">Description</TH>
</TR>
</THEAD>
<TBODY>
<TR VALIGN="TOP">
<TD>Pfn</TD>
<TD>Font number</TD>
<TD>Selects the DRCS font buffer to load. The VT220 has only one DRCS font buffer. This parameter has two valid values, 0 and 1.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Pcn</TD>
<TD>Starting character number</TD>
<TD>Selects starting character to load in DRCS font buffer. For example, parameter value 1 specifies a column 2/row 1
character; parameter 94 specifies a column 7/row 14 character (<A HREF="chapter2.html#T2-1">Table 2-1</A>).</TD>
</TR>
<TR VALIGN="TOP">
<TD>Pe</TD>
<TD>Erase control</TD>
<TD><P>Selects which characters are erased before loading.</P>
<TABLE>
<TBODY>
<TR VALIGN="TOP">
<TD>0&nbsp;=&nbsp;</TD>
<TD>erase all characters in this DRCS set.</TD>
</TR>
<TR VALIGN="TOP">
<TD>1&nbsp;=&nbsp;</TD>
<TD>erase only the characters that are being reloaded.</TD>
</TR>
<TR VALIGN="TOP">
<TD>2&nbsp;=&nbsp;</TD>
<TD>erase all characters in all DRCS sets (this font buffer number and other font buffer numbers).</TD>
</TR>
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</TABLE></TD>
</TR>
<TR VALIGN="TOP">
<TD>Pcms</TD>
<TD>Character matrix size</TD>
<TD><P>Defines the expected limit of the character matrix size.</P>
<P>0 = Device default (7 &times; 10)<BR>
1 = (not used)<BR>
2 = 5 &times; 10<BR>
3 = 6 &times; 10<BR>
4 = 7 &times; 10</P></TD>
</TR>
<TR VALIGN="TOP">
<TD>Pw</TD>
<TD>Width attribute</TD>
<TD><P>Specifies the width attribute.</P>
<P>0 = Device default (80 columns)<BR>
1 = 80 columns<BR>
2 = 132 columns</P></TD>
</TR>
<TR VALIGN="TOP">
<TD>Pt</TD>
<TD>Text/ full-cell</TD>
<TD><P>Allows software to treat the font as a text font or a full-cell font.</P>
<P>0 = Device default (text)<BR>
1 = Text<BR>
2 = Full-cell (not used)</P>
<P>Full-cell fonts can individually address all pixels in a cell, while text fonts, in general, may not be able to
individually address all pixels.</P></TD>
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<TD ALIGN="LEFT"><A HREF="chapter4.html">Chapter 4</A></TD>
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